# Optimal Power Flow for AC–DC Grids: Formulation, Convex Relaxation, Linear Approximation, and Implementation

> Research article (IEEE Transactions on Power Systems, 2019) · cited 130× · AI/ML

**Wikidata**: [openalex:W2911710055](https://www.wikidata.org/wiki/openalex:W2911710055)  
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